YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | 34.29 | 54.61 | 47.61 | 66.80 | 65.29 | 80.67 | 79.97 | 80.71 | 73.93 | 58.13 | 48.07 | 36.52 | 60.55 | |||||||||||||
1931 | 40.58 | 43.14 | 44.06 | 52.00 | a | 59.71 | 77.20 | 73.97 | 68.74 | 67.57 | 56.90 | 43.43 | 36.58 | 55.32 | ||||||||||||
1932 | 32.06 | 43.48 | 39.19 | 52.73 | 57.65 | 62.17 | 73.87 | 91.94 | 71.20 | 52.55 | 46.93 | 33.10 | 54.74 | |||||||||||||
1933 | 37.33 | a | 36.04 | 44.68 | 46.23 | 55.50 | a | 72.93 | 78.06 | 75.06 | 72.83 | 66.65 | 57.17 | 54.65 | 58.09 | |||||||||||
1934 | 45.71 | 48.14 | 54.70 | a | 63.13 | 73.77 | 83.37 | 89.32 | 87.32 | 74.87 | 68.94 | 53.03 | 45.06 | 65.61 | ||||||||||||
1935 | 49.19 | 47.52 | a | 57.39 | 60.27 | 61.84 | 81.07 | 86.13 | 83.03 | a | 75.93 | 67.32 | 54.53 | 43.71 | 63.99 | |||||||||||
1936 | 42.06 | 45.66 | 56.90 | 64.03 | a | 69.74 | 82.93 | 85.26 | 85.03 | 70.40 | 62.00 | a | 53.80 | 46.90 | 63.73 | |||||||||||
1937 | 37.61 | 47.57 | 45.81 | 59.07 | 71.19 | 80.27 | 87.58 | 88.06 | 79.20 | 67.29 | 52.70 | 45.16 | 63.46 | |||||||||||||
1938 | 42.58 | 45.43 | 53.23 | 59.10 | 68.23 | 78.87 | 84.39 | 86.26 | 76.10 | 67.32 | 47.90 | 44.23 | 62.80 | |||||||||||||
1939 | 38.71 | 34.11 | a | 51.06 | 60.83 | 72.81 | 85.00 | 89.03 | 83.42 | 79.97 | 66.26 | 51.93 | 48.87 | 63.50 | ||||||||||||
1940 | 38.13 | a | 42.69 | 51.10 | a | 59.87 | 73.94 | 81.20 | 88.45 | 79.68 | 76.43 | 66.16 | 47.67 | 39.94 | 62.10 | |||||||||||
1941 | 35.61 | 41.32 | 44.00 | 51.07 | 65.06 | 71.03 | a | 77.87 | 76.65 | 70.57 | 55.48 | ----- | z | 37.23 | 56.90 | a | ||||||||||
1942 | 41.74 | 39.57 | 48.17 | a | 59.00 | 71.03 | 76.97 | 83.23 | 80.06 | 69.67 | 59.10 | 56.57 | 48.71 | 61.15 | ||||||||||||
1943 | 44.68 | 51.86 | 53.37 | a | 67.23 | 67.96 | c | 80.10 | 82.45 | 82.55 | 74.87 | 68.35 | 61.63 | c | 44.37 | l | 66.82 | a | ||||||||
1944 | 39.26 | 44.11 | a | 48.77 | 52.40 | 67.13 | 76.24 | a | 79.97 | 81.58 | 75.73 | 65.90 | a | 51.60 | 44.61 | 60.61 | ||||||||||
1945 | 41.24 | b | 47.19 | a | 54.90 | 58.82 | b | 70.93 | b | 76.21 | b | 80.41 | b | 79.37 | a | 73.81 | c | 67.07 | b | 50.90 | 37.55 | 61.53 | ||||
1946 | 38.60 | k | 41.32 | 47.83 | a | 59.77 | 62.87 | a | 80.77 | 81.16 | 76.39 | 70.93 | 62.06 | 47.43 | ----- | z | 63.05 | b | ||||||||
1947 | 40.27 | a | 43.18 | 49.58 | 56.63 | 60.85 | e | 74.37 | 80.48 | 80.67 | a | 74.60 | 71.16 | 53.33 | 40.97 | 60.51 | ||||||||||
1948 | 38.45 | 38.62 | 43.74 | 66.70 | 70.16 | 76.20 | 82.23 | 80.81 | 77.67 | 67.32 | 48.67 | 46.79 | b | 61.45 | ||||||||||||
1949 | 36.97 | 46.89 | 52.16 | 58.57 | 68.93 | a | 73.27 | 80.10 | 80.23 | 75.17 | 65.58 | 62.77 | 49.30 | a | 62.49 | |||||||||||
1950 | 49.13 | 55.50 | 55.58 | 64.03 | 71.03 | 80.33 | 75.87 | 77.48 | 69.27 | 71.42 | 57.10 | 50.03 | 64.73 | |||||||||||||
1951 | 39.90 | 49.96 | 53.26 | 58.63 | 68.97 | 74.53 | 84.10 | 80.74 | 76.47 | 64.81 | 50.87 | 44.90 | 62.26 | |||||||||||||
1952 | 45.55 | 44.31 | 46.55 | 58.77 | 68.13 | 85.07 | 82.45 | 81.71 | 72.57 | 66.55 | 44.50 | 42.06 | 61.52 | |||||||||||||
1953 | 49.03 | 43.79 | 55.87 | 60.00 | 65.65 | 85.00 | a | 83.84 | 79.94 | 77.63 | 63.81 | 53.13 | 39.19 | 63.07 | ||||||||||||
1954 | 46.87 | 55.82 | 50.84 | 68.33 | 67.35 | 81.17 | 85.16 | 80.61 | 78.83 | 66.81 | 57.43 | 49.81 | 65.75 | |||||||||||||
1955 | 43.74 | 41.11 | a | 53.37 | a | 60.53 | 66.35 | 75.47 | 80.55 | 77.16 | 75.43 | 67.71 | 53.60 | 50.58 | 62.13 | |||||||||||
1956 | 48.06 | 41.24 | 54.87 | 60.21 | a | 74.87 | 83.20 | 81.19 | 79.68 | 78.70 | 68.39 | 49.80 | 47.61 | 63.99 | ||||||||||||
1957 | 44.94 | 53.07 | 49.39 | c | 54.73 | 62.58 | 78.30 | 82.61 | 78.55 | 72.67 | 59.19 | 41.11 | b | 47.10 | 60.35 | |||||||||||
1958 | 42.84 | 48.61 | 39.67 | a | 54.33 | 68.97 | 77.40 | 79.48 | 80.03 | 71.87 | 68.38 | r | ----- | z | 47.33 | d | 61.05 | b | ||||||||
1959 | 41.53 | a | 44.25 | 52.55 | 59.53 | 67.84 | 78.63 | 80.48 | 79.58 | 74.03 | 61.39 | 53.67 | 46.86 | c | 61.70 | |||||||||||
1960 | 37.55 | 34.43 | a | 51.71 | 63.20 | 69.55 | 78.40 | 79.06 | 82.35 | 75.30 | 63.23 | 54.77 | 37.10 | 60.55 | ||||||||||||
1961 | 39.84 | 43.46 | 50.23 | a | 59.87 | 71.45 | 78.17 | a | 78.94 | 76.55 | 71.34 | a | 63.94 | 46.10 | 39.45 | 59.95 | ||||||||||
1962 | 40.42 | 50.54 | 49.13 | 63.20 | 73.58 | 73.57 | 78.03 | 82.45 | 74.63 | 68.84 | 54.17 | 48.58 | 63.09 | |||||||||||||
1963 | 40.77 | 47.86 | 52.97 | 66.00 | 72.65 | 78.37 | 86.03 | 77.87 | 74.40 | 68.37 | a | 55.83 | 44.52 | 63.80 | ||||||||||||
1964 | 43.52 | 36.41 | 48.13 | 58.47 | 70.58 | 79.27 | 83.84 | 80.97 | 72.37 | 66.26 | 50.97 | 41.97 | 61.06 | |||||||||||||
1965 | 47.08 | e | 44.57 | 42.19 | 62.53 | 67.06 | 72.87 | 79.23 | 77.32 | 68.27 | 66.03 | 58.33 | 47.97 | 61.12 | ||||||||||||
1966 | 38.94 | 40.68 | 56.39 | 62.07 | 72.26 | 76.57 | 83.29 | 75.48 | 73.57 | 64.20 | f | 56.87 | 45.32 | 61.95 | a | |||||||||||
1967 | 45.45 | 47.50 | 60.16 | 64.53 | 67.77 | 74.40 | 77.42 | 74.19 | 70.45 | a | 67.03 | ----- | z | ----- | z | 64.89 | b | |||||||||
1968 | 43.97 | ----- | z | 54.88 | n | 57.23 | 68.00 | e | 81.70 | 80.23 | a | 76.42 | 74.50 | 67.06 | ----- | z | ----- | z | 68.64 | d | ||||||
1969 | 50.58 | 45.93 | 42.10 | 62.16 | e | 69.68 | 72.52 | a | 81.58 | 80.06 | 72.60 | 56.40 | a | 54.70 | j | 51.33 | m | 63.36 | b | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.95 | 44.91 | 50.08 | 59.82 | 67.97 | 77.89 | 81.68 | 80.17 | 73.91 | 64.70 | 52.24 | 44.29 | 61.77 | |||||||||||||
S.D. | 4.40 | 5.37 | 5.09 | 4.76 | 4.49 | 4.49 | 3.73 | 4.10 | 3.03 | 4.45 | 4.91 | 4.97 | 2.45 | |||||||||||||
SKEW | 0.05 | 0.06 | -0.32 | -0.59 | -0.90 | -0.91 | 0.12 | 0.27 | -0.04 | -1.02 | -0.12 | -0.36 | -1.08 | |||||||||||||
MAX | 50.58 | 55.82 | 60.16 | 68.33 | 74.87 | 85.07 | 89.32 | 91.94 | 79.97 | 71.42 | 62.77 | 54.65 | 65.75 | |||||||||||||
MIN | 32.06 | 34.11 | 39.19 | 46.23 | 55.50 | 62.17 | 73.87 | 68.74 | 67.57 | 52.55 | 41.11 | 33.10 | 54.74 | |||||||||||||
YRS | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 38 | 35 | 35 | 32 |